The defender doesn't get too many goals, and this one was particularly sweet.
Indeed, he will remember the game for more reasons that one, not least because the game was abandoned with 87 minutes on the clock due to floorlight problems.
The FAI will make an official statement on the game tomorrow, but all the indications are that the result will stand.
Sligo went in front on 11 minutes when Regan Donelon’s cross from the left was headed in by Chris Lyons.
McNulty spoke to Diarmuid Doherty after the match.